November 29, 2011 1:20 pm Family of Slain Loop Dermatologist Reacts to Sentence The son of a slain downtown Chicago dermatologist spoke on Tuesday of the trial in Guadeloupe for Hans Peterson, convicted of first-degree murder and sentenced to life in prison. Local 2:18 Chicago Forecast: Evening storms to end a summer-like day 2:46 Key evidence led to capture of accused gunman in CPD officer's killing 2:13 Pro-Israel, pro-Palestinian demonstrators rally on University of Chicago campus 2:48 Taylor Swift fans react to Jake Gyllenhaal and Sabrina Carpenter's ‘SNL' appearance 1:07 Britney Spears spotted as authorities respond to alleged hotel incident